Batista, D., 		Vieira, A., & 		Marinho, R.
(2018).
 The use of "google earth pro" in the mapping of gullies in the urban area of manaus (am), brasil.
<em>Geosaberes, 10</em>(20), 1 - 12.
doi:10.26895/geosaberes.v10i20.689